Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 116, NWS Philadelphia/Mount Holly

June 28, 2007Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 28, 2007, 4:51 PM EDT for Sussex County, New Jersey. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 28, 2007, 4:51 PM EDT (20:51 UTC)
Expired: Jun 28, 2007, 5:45 PM EDT
In force: 54 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Sussex County, NJ

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 28, 2:07 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.9 hours before the alert went out and 156 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 5 J/kg
Mixed-layer CIN: -305 J/kg
Mixed-layer LCL: 1181 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KPHI 282050
SVRPHI
NJC037-282145-
/O.NEW.KPHI.SV.W.0116.070628T2051Z-070628T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
451 PM EDT THU JUN 28 2007

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY...

* UNTIL 545 PM EDT

* AT 445 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  SUSSEX...OR ABOUT 30 MILES NORTHWEST OF PATERSON...AND MOVING EAST
  AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HIGHLAND LAKE BY 500 PM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 4134 7473 4115 7491 4106 7452 4121 7443

$$

NIERENBERG

1 follow-up statement

000 
WWUS51 KPHI 282124
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
524 PM EDT THU JUN 28 2007

NJC037-282145-
/O.CON.KPHI.SV.W.0116.000000T0000Z-070628T2145Z/
SUSSEX NJ-
524 PM EDT THU JUN 28 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHERN SUSSEX COUNTY...

AT 521 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM JUST 
MERGED WITH AN ONGOING THUNDERSTORM IN THE COUNTY WHICH  
INCREASES THE LIKELIHOOD OF DAMAGING WINDS. 

THIS STORM WAS LOCATED NEAR FRANKLIN...MOVING SOUTHEAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  8 MILES SOUTHWEST OF HIGHLAND LAKE BY 530 PM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 4134 7473 4115 7491 4106 7452 4121 7443

$$
 
TFG

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 27, 8:18 PM EDT	Severe Thunderstorm Warning	PHI	Warren	87 min
Jun 27, 8:56 PM EDT	Severe Thunderstorm Warning	PHI	Morris	69 min
Jun 27, 9:38 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	67 min
Jun 27, 10:02 PM EDT	Special Marine Warning	PHI		58 min
Jun 27, 10:09 PM EDT	Severe Thunderstorm Warning	PHI	Mercer	66 min
Jun 27, 10:40 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	80 min
Jun 27, 10:47 PM EDT	Severe Thunderstorm Warning	PHI	Camden	43 min
Jun 27, 10:57 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic	63 min
Jun 27, 11:06 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	69 min
Jun 27, 11:10 PM EDT	Special Marine Warning	PHI		95 min
Jun 27, 11:30 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	59 min
Jun 28, 3:40 PM EDT	Special Marine Warning	PHI		95 min
Jun 28, 5:00 PM EDT	Flash Flood Warning	PHI	Sussex	3 hr
Jun 28, 5:29 PM EDT	Severe Thunderstorm Warning	PHI	Morris	61 min
Jun 28, 7:24 PM EDT	Severe Thunderstorm Warning	PHI	Mercer	66 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2007 Every severe thunderstorm warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.